SEC Form 4 · accession 0000899243-18-023935
MyoKardia Inc · MYOK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Marc Semigran
Officer — Chief Medical Officer
Period of report
Sep 4, 2018
Accepted (ET)
Sep 6, 2018 · 5:00 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001552451
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Sep 4, 2018 | M | 41,400 | $15.95 | A | 41,400 | D | |
| Common Stock | Sep 4, 2018 | S | 41,400 | $59.4929 | D | 0 | D | |
| Common Stock | Sep 5, 2018 | M | 3,600 | $15.95 | A | 3,600 | D | |
| Common Stock | Sep 5, 2018 | S | 3,600 | $60.00 | D | 0 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F2 | $15.95 | Sep 4, 2018 | M | 41,400 | D | — | Nov 30, 2026 | Common Stock | 41,400 | 133,600 | D |
| Stock Option (Right to Buy)F2 | $15.95 | Sep 5, 2018 | M | 3,600 | D | — | Nov 30, 2026 | Common Stock | 3,600 | 130,000 | D |
Explanation of responses
- F1This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.
- F225% of the shares subject to the option vested and became exercisable on December 1, 2017 and the remaining shares vest and become exercisable in 36 equal monthly installments thereafter.